

#include "atomic_op_namespace.h"

#include <sys/atomic.h>

uint32_t fetch_and_or_4(volatile uint32_t *, uint32_t, ...)
#if defined(_LIBC) || defined(_HARDKERNEL)
    asm("__sync_fetch_and_or_4");	/* C runtime internal */
#else
    ;
#endif

uint32_t
fetch_and_or_4(volatile uint32_t *addr, uint32_t val, ...)
{
	uint32_t old, new;

	do {
		old = *addr;
		new = old | val;
	} while (atomic_cas_32(addr, old, new) != old);
	return old;
}

void
atomic_or_32(volatile uint32_t *addr, uint32_t val)
{
	(void) fetch_and_or_4(addr, val);
}

__strong_alias(__atomic_fetch_or_4,__sync_fetch_and_or_4)

#undef atomic_or_32
atomic_op_alias(atomic_or_32,_atomic_or_32)

#undef atomic_or_uint
atomic_op_alias(atomic_or_uint,_atomic_or_32)
__strong_alias(_atomic_or_uint,_atomic_or_32)
#if !defined(_LP64)
#undef atomic_or_ulong
atomic_op_alias(atomic_or_ulong,_atomic_or_32)
__strong_alias(_atomic_or_ulong,_atomic_or_32)
#endif /* _LP64 */
